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Apple PowerBook Duo Dock Specs

All PowerBook Duo Models | All 1992 Models | Dynamically Compare This Mac to Others

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Apple PowerBook Duo DockThe Apple Macintosh PowerBook Duo Dock turns a PowerBook Duo into a full-featured desktop Macintosh including a 1.44 MB floppy disk drive, a complete set of desktop ports, and NuBus slots as well as the options of a secondary 230 MB hard drive and a 68882 FPU to improve performance.

The Duo Dock is compatible with all of the grayscale PowerBook Duos (210, 230, 250, 280), but can also support the color Duos (270c, 280c, 2300c/100) with a replacement lid.


  • Tech Specs
  • Ports

Click on the category for related details. The most commonly needed info is "open" by default, but all info is important.


October 19, 1992 July 1, 1995
Details: The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 1992.
N/A N/A
Details: N/A
N/A 68882 (Optional)
Details: N/A
N/A N/A
Details: N/A
N/A N/A
Details: N/A
N/A N/A
Details: N/A
N/A N/A
Details: N/A
N/A N/A
Details: N/A

Also see: Actual Max RAM of All G3 & Later Macs.
N/A N/A
Details: N/A
Dedicated* VRAM SIMM*
Details: *This model has one SIMM slot for video memory that supports an 80 ns VRAM SIMM.
512k* 1 MB*
Details: *512k of VRAM is onboard, expandable to 1 MB by adding a compatible 512k VRAM SIMM.
None N/A
Details: N/A
N/A N/A
Details: N/A
230 MB (Optional) SCSI
Details: N/A
None 1.44 MB (Auto)
Details: N/A
N/A N/A
Details: N/A
2 NuBus None*
Details: *If a hard drive is not installed, it has one available 3.5" internal hard drive bay.
Dock PowerBook Duo Dock
Details: N/A
M4179LL/A* PowerBook Duo Dock
Details: *M4179LL/A refers to the "bare bones" configuration. The configuration equipped with an FPU and a 230 MB hard drive is order number M2631LL/A.
M7779 N/A
Details: Please note that these identifiers commonly refer to multiple models.

Also see: All Macs with the M7779 Model Number and N/A Gestalt ID.

For more about identifiers and how to locate them on modern Macs, please refer to EveryMac.com's Mac Identification section.
N/A N/A
Details: N/A
N/A N/A
Details: N/A
4.8 x 12.3 x 16.3 13.1 lbs (5.9 kg)
Details: In inches - height by width by depth, (12.2 cm, 31.2 cm, 41.4 cm).
US$500 N/A
Details: Photo Credit: Apple Computer, Inc.


Click on a category for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.


1 (DB-15) None
Details: N/A
1 1 (HDI-30)
Details: N/A
2 None
Details: Serial ports are marked by printer and modem icons.
None None
Details: N/A
None None
Details: N/A
1 (Omni) None
Details: N/A
1 (8-Bit Mono) None
Details: N/A
1 None
Details: N/A
N/A 1
Details: 100V-240V AC, 50-60 Hz Frequency, 87 Max Watts.

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